Re: [PATCH 00/41] percpu: Consistent per cpu operations V1

[Christoph Lameter]

On Wed, 4 Dec 2013, Ingo Molnar wrote:

>
> * Christoph Lameter <cl@xxxxxxxxx> wrote:
>
> > The kernel has never been audited to ensure that this_cpu operations
> > are consistently used throughout the kernel. The code generated in
> > many places can be improved through the use of this_cpu operations
> > (which uses a segment register for relocation of per cpu offsets
> > instead of performing address calculations).
>
> Your series lacks the this_cpu ops preempt debugging patches that you
> worked on before, what happened to them?

They are included. Please read the complete description. Patches 13 14 and
18 implement the preemption checks.

> Those debug facilities caught kernel real bugs and they are thus
> essential before any percpu extension can be done.

Yes please apply the preemptiopn debug patches included in this series
ASAP.

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/